3(2x+18)-3(x-2)=84

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Solution for 3(2x+18)-3(x-2)=84 equation:


Simplifying
3(2x + 18) + -3(x + -2) = 84

Reorder the terms:
3(18 + 2x) + -3(x + -2) = 84
(18 * 3 + 2x * 3) + -3(x + -2) = 84
(54 + 6x) + -3(x + -2) = 84

Reorder the terms:
54 + 6x + -3(-2 + x) = 84
54 + 6x + (-2 * -3 + x * -3) = 84
54 + 6x + (6 + -3x) = 84

Reorder the terms:
54 + 6 + 6x + -3x = 84

Combine like terms: 54 + 6 = 60
60 + 6x + -3x = 84

Combine like terms: 6x + -3x = 3x
60 + 3x = 84

Solving
60 + 3x = 84

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-60' to each side of the equation.
60 + -60 + 3x = 84 + -60

Combine like terms: 60 + -60 = 0
0 + 3x = 84 + -60
3x = 84 + -60

Combine like terms: 84 + -60 = 24
3x = 24

Divide each side by '3'.
x = 8

Simplifying
x = 8

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